| Volcano Name: | Aira | Smithsonian Inst ID (SI_VNUM): | 282080 |
| Alternate Name: |
Aira Furihata-yama Gongen-yama Haruta-yama Hikinohira Hirase Kita-dake Mi-take Minami-dake Nabe-yama Naka-dake Okise Sakura-zima Sakurajima Showa Tagiri Wakamiko Yunohira |
Volcano Type: | Caldera(s) |
| Latitude: | 31.5850000000 | ||
| Longitude: | 130.6569444000 | ||
| Region: | Japan, Taiwan, Marianas | Sub Region: | Ryukyu Islands & Kyushu |
| Date Entered: | 02/05/2012 |
| Eruption Start Date: | 13/10/1955 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Historical records | ||
| Eruption Date Quality: | High quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | >= 0.040 (Assumed) | ||
| Bulk deposit volume (km3): | >= 0.100 (Assumed) | ||
| Magnitude : | 4.200 (Calculated) | ||
| Maximum VEI : | 3.000 (Literature) |
| Eruption Start Date: | 12/1 /1914 | Date Error: | ||
| Eruption End Date: | ? /5 /1915 | Dating Technique: | Historical records | |
| Eruption Date Quality: | High quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.200 (Calculated) | ||
| Bulk deposit volume (km3): | 0.500 (Literature) | ||
| Magnitude : | 4.700 (Calculated) | ||
| Maximum VEI : | 4.000 (Literature) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 8 /11/1779 | Date Error: | ||
| Eruption End Date: | 5 /1781 | Dating Technique: | Historical records | |
| Eruption Date Quality: | High quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.720 (Calculated) | ||
| Bulk deposit volume (km3): | 1.800 (Literature) | ||
| Magnitude : | 5.200 (Calculated) | ||
| Maximum VEI : | 4.000 (Literature) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 3 /11/1471 | Date Error: | ||
| Eruption End Date: | 8 /10/1476 | Dating Technique: | Historical records | |
| Eruption Date Quality: | High quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.320 (Calculated) | ||
| Bulk deposit volume (km3): | 0.800 (Literature) | ||
| Magnitude : | 4.900 (Literature) | ||
| Maximum VEI : | 5.000 (Literature) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 1 /764 | Date Error: | ||
| Eruption End Date: | Dating Technique: | Historical records | ||
| Eruption Date Quality: | High quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.120 (Calculated) | ||
| Bulk deposit volume (km3): | 0.300 (Literature) | ||
| Magnitude : | 4.500 (Calculated) | ||
| Maximum VEI : | 4.000 (Literature) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 2950 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | >= 0.400 (Assumed) | ||
| Bulk deposit volume (km3): | >= 1.000 (Assumed) | ||
| Magnitude : | 5.000 (Literature) | ||
| Maximum VEI : | 5.000 (Calculated) |
| Eruption Start Date: | -3610 | Date Error: | 711 | |
| Eruption End Date: | Dating Technique: | Radiocarbon (corrected) | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| C14 Date: | 4850 | C14 Date Error: | ||
| Bulk DRE Volume (km3): | >= 0.040 (Assumed) | ||
| Bulk deposit volume (km3): | >= 0.100 (Assumed) | ||
| Magnitude : | >= 4.000 (Calculated) | ||
| Maximum VEI : | 4.000 (Literature) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | -3735 | Date Error: | 718 | |
| Eruption End Date: | Dating Technique: | Radiocarbon (corrected) | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| C14 Date: | 5000 | C14 Date Error: | ||
| Bulk DRE Volume (km3): | 0.280 (Calculated) | ||
| Bulk deposit volume (km3): | 0.700 (Literature) | ||
| Magnitude : | 4.800 (Literature) | ||
| Maximum VEI : | 4.000 (Literature) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 7950 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | >= 0.040 (Assumed) | ||
| Bulk deposit volume (km3): | >= 0.100 (Assumed) | ||
| Magnitude : | 4.000 (Literature) | ||
| Maximum VEI : | 4.000 (Calculated) |
| Eruption Start Date: | 9047 BP | Date Error: | 1111 | |
| Eruption End Date: | Dating Technique: | Radiocarbon (corrected) | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| C14 Date: | 8000 | C14 Date Error: | ||
| Bulk DRE Volume (km3): | 0.400 (Calculated) | ||
| Bulk deposit volume (km3): | 1.000 (Literature) | ||
| Magnitude : | 5.000 (Literature) | ||
| Maximum VEI : | 5.000 (Literature) |
| Magma: | Andesite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Andesite |
| Eruption Start Date: | 10000 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | >= 0.040 (Assumed) | ||
| Bulk deposit volume (km3): | >= 0.100 (Assumed) | ||
| Magnitude : | 4.000 (Literature) | ||
| Maximum VEI : | 4.000 (Calculated) |
| Eruption Start Date: | 11000 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.520 (Calculated) | ||
| Bulk deposit volume (km3): | 1.300 (Literature) | ||
| Magnitude : | 5.100 (Calculated) | ||
| Maximum VEI : | 5.000 (Calculated) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 11490 BP | Date Error: | 1254 | |
| Eruption End Date: | Dating Technique: | Radiocarbon (corrected) | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| C14 Date: | 10000 | C14 Date Error: | 1000 | |
| Bulk DRE Volume (km3): | 5.200 (Calculated) | ||
| Bulk deposit volume (km3): | 12.000 (Literature) | ||
| Magnitude : | 6.100 (Calculated) | ||
| Maximum VEI : | 6.000 (Literature) |
| Magma: | Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Rhyolite |
| Eruption Start Date: | 12800 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Radiocarbon (corrected) | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| C14 Date: | 10500 | C14 Date Error: | ||
| Bulk DRE Volume (km3): | 4.400 (Calculated) | ||
| Bulk deposit volume (km3): | 11.000 (Literature) | ||
| Magnitude : | 6.000 (Calculated) | ||
| Maximum VEI : | 6.000 (Calculated) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 23000 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | >= 0.040 (Assumed) | ||
| Bulk deposit volume (km3): | >= 0.100 (Assumed) | ||
| Magnitude : | 4.000 (Literature) | ||
| Maximum VEI : | 4.000 (Calculated) |
| Eruption Start Date: | 24000 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | >= 0.010 (Assumed) | ||
| Bulk deposit volume (km3): | >= 0.100 (Assumed) | ||
| Magnitude : | 4.000 (Literature) | ||
| Maximum VEI : | 4.000 (Calculated) |
| Eruption Start Date: | 25500 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.440 (Calculated) | ||
| Bulk deposit volume (km3): | 1.100 (Literature) | ||
| Magnitude : | 5.000 (Calculated) | ||
| Maximum VEI : | 5.000 (Calculated) |
| Magma: | Not Available | ||
| Calculated Density: | |||
| Rock Classification: |
| Eruption Start Date: | 29000 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | >= 0.035 (Calculated) | ||
| Bulk deposit volume (km3): | 0.080 (Literature) | ||
| Magnitude : | 4.000 (Literature) | ||
| Maximum VEI : | 4.000 (Calculated) |
| Eruption Start Date: | 29155 BP | Date Error: | 302 | |
| Eruption End Date: | Dating Technique: | Radiocarbon (corrected) | ||
| Eruption Date Quality: | Medium quality | Preferred Date: | Y | |
| C14 Date: | 25120 | C14 Date Error: | 270 | |
| Bulk DRE Volume (km3): | 366.000 (Literature) | ||
| Bulk deposit volume (km3): | 463.300 (Literature) | ||
| Ignimbrite DRE Volume (km3): | 89.570 (Calculated) | ||
| Ignimbrite Deposit Volume : | 206.000 (Literature) | ||
| Magnitude : | 7.900 (Calculated) | ||
| Maximum Column Height (km): | 44.000 (Literature) | ||
| Maximum Intensity : | 11.620 (Eruption Rate) | ||
| Maximum VEI : | <= 8.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 34.300 (Literature) | ||
| Tephra fall Deposit Volume (km3): | 250.000 (Literature) |
| Magma: | Dacite-Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite | |||
| Rhyolite |
| Magma: | Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Rhyolite | |||
| (Minor/less than 10%) Dacite | |||
| (Minor/less than 10%) Andesite |
| Eruption Start Date: | 30000 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Radiocarbon (corrected) | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.520 (Calculated) | ||
| Bulk deposit volume (km3): | 1.200 (Literature) | ||
| Magnitude : | 5.100 (Calculated) | ||
| Maximum VEI : | 5.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 0.520 (Calculated) | ||
| Tephra fall Deposit Volume (km3): | 1.200 (Literature) |
| Magma: | Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Rhyolite |
| Eruption Start Date: | 30000 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.650 (Calculated) | ||
| Bulk deposit volume (km3): | 1.500 (Literature) | ||
| Ignimbrite DRE Volume (km3): | 0.650 (Calculated) | ||
| Ignimbrite Deposit Volume : | 1.500 (Literature) | ||
| Magnitude : | 5.200 (Calculated) | ||
| Maximum VEI : | 4.000 (Calculated) |
| Magma: | Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Rhyolite |
| Eruption Start Date: | 43000 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 0.220 (Calculated) | ||
| Bulk deposit volume (km3): | 0.500 (Literature) | ||
| Magnitude : | 5.300 (Literature) | ||
| Maximum VEI : | 5.000 (Literature) | ||
| Tephra fall DRE Volume (km3): | 0.220 (Calculated) | ||
| Tephra fall Deposit Volume (km3): | 0.500 (Literature) |
| Magma: | Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Rhyolite |
| Eruption Start Date: | 58000 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Other technique | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 4.130 (Calculated) | ||
| Bulk deposit volume (km3): | 9.500 (Literature) | ||
| Ignimbrite DRE Volume (km3): | 4.130 (Calculated) | ||
| Ignimbrite Deposit Volume : | 9.500 (Literature) | ||
| Magnitude : | 6.000 (Calculated) | ||
| Maximum VEI : | 6.000 (Calculated) |
| Magma: | Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Rhyolite |
| Eruption Start Date: | 113400 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Other technique | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | 4.350 (Calculated) | ||
| Bulk deposit volume (km3): | 10.000 (Literature) | ||
| Magnitude : | 6.000 (Calculated) | ||
| Maximum VEI : | 6.000 (Calculated) | ||
| Tephra fall DRE Volume (km3): | 4.300 (Calculated) | ||
| Tephra fall Deposit Volume (km3): | 10.000 (Literature) |
| Magma: | Rhyolite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Rhyolite |
| Eruption Start Date: | 456000 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | > 41.670 (Calculated) | ||
| Bulk deposit volume (km3): | > 100.000 (Literature) | ||
| Magnitude : | <= 7.000 (Literature) | ||
| Maximum VEI : | 7.000 (Literature) |
| Magma: | Dacite | ||
| Calculated Density: | |||
| Rock Classification: | |||
| Dacite |
| Eruption Start Date: | 500000 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | >= 40.000 (Assumed) | ||
| Bulk deposit volume (km3): | >= 100.000 (Assumed) | ||
| Magnitude : | 7.000 (Literature) | ||
| Maximum VEI : | 7.000 (Calculated) |
| Eruption Start Date: | 850000 BP | Date Error: | ||
| Eruption End Date: | Dating Technique: | Not Available | ||
| Eruption Date Quality: | Low quality | Preferred Date: | Y | |
| Bulk DRE Volume (km3): | >= 4.000 (Assumed) | ||
| Bulk deposit volume (km3): | >= 10.000 (Assumed) | ||
| Magnitude : | 6.000 (Literature) | ||
| Maximum VEI : | >= 6.000 (Calculated) |